a twist on a classic circle problem
19:57
the most outlandish technique is used to solve this...
31:10
the geometry of the third derivative
25:06
What is the i really doing in Schrödinger's equation?
16:39
Way Bigger Than Graham's Number (Goodstein Sequence) - Numberphile
13:46
Can you solve Microsoft's bridge and torch riddle?
6:46
Believe in triangles, not squaring both sides!
26:51
New divisibility rule! (30,000 of them)
12:04